Jan Koecher
| Moted: | 16 yanul 1908 Warszawa |
| Deadam: | 11 mayul 1981 Warszawa |
| Cal(s): | hidramatan[*], hiteatirejidan[*], filmotirejidan[*] |
| Tatät(s): | Polän |
Hiel Jan Koecher (1908 yanul 16 in Warszawa – 1981 mayul 11 in Warszawa) äbinom dramatan e rejidan Polänik.